Sorry for the late reply I’m used to most support requests to come via mail or discord by now. The physics collision sound component needs to be added to the ragdoll mesh, not the actor. The mesh needs to have generate hit events ticked. It changed in an update about a month ago, sorry for the confusion.
I hope that makes it work.
Here’s is the most up to date tutorial on ragdolls if you haven’t found it yet https://youtu.be/jYO1QxONzoQ